| /* SPDX-License-Identifier: Apache-2.0 |
| * |
| * Copyright (c) 2020 Friedt Professional Engineering Services, Inc |
| */ |
| #include <fcntl.h> |
| |
| #include <zephyr/logging/log.h> |
| LOG_MODULE_DECLARE(net_test, CONFIG_NET_SOCKETS_LOG_LEVEL); |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <zephyr/net/socket.h> |
| #include <zephyr/sys/util.h> |
| #include <zephyr/posix/unistd.h> |
| |
| #include <ztest_assert.h> |
| |
| #undef read |
| #define read(fd, buf, len) zsock_recv(fd, buf, len, 0) |
| |
| #undef write |
| #define write(fd, buf, len) zsock_send(fd, buf, len, 0) |
| |
| void test_socketpair_close_one_end_and_write_to_the_other(void) |
| { |
| int res; |
| int sv[2] = {-1, -1}; |
| |
| for (size_t i = 0; i < 2; ++i) { |
| res = socketpair(AF_UNIX, SOCK_STREAM, 0, sv); |
| zassert_equal(res, 0, "socketpair(2) failed: %d", errno); |
| |
| res = close(sv[i]); |
| zassert_equal(res, 0, "close(sv[%u]) failed: %d", i, errno); |
| |
| res = write(sv[(!i) & 1], "x", 1); |
| zassert_equal(res, -1, "expected write(2) to fail"); |
| zassert_equal(res, -1, "errno: expected: EPIPE actual: %d", |
| errno); |
| |
| res = close(sv[(!i) & 1]); |
| zassert_equal(res, 0, "close(sv[%u]) failed: %d", i, errno); |
| } |
| } |
| |
| void test_socketpair_close_one_end_and_read_from_the_other(void) |
| { |
| int res; |
| int sv[2] = {-1, -1}; |
| char xx[16]; |
| |
| for (size_t i = 0; i < 2; ++i) { |
| res = socketpair(AF_UNIX, SOCK_STREAM, 0, sv); |
| zassert_equal(res, 0, "socketpair(2) failed: %d", errno); |
| |
| /* We want to write some bytes to the closing end of the |
| * socket before it gets shut down, so that we can prove that |
| * reading is possible from the other end still and that data |
| * is not lost. |
| */ |
| res = write(sv[i], "xx", 2); |
| zassert_not_equal(res, -1, "write(2) failed: %d", errno); |
| zassert_equal(res, 2, "write(2) failed to write 2 bytes"); |
| |
| res = close(sv[i]); |
| zassert_equal(res, 0, "close(sv[%u]) failed: %d", i, errno); |
| |
| memset(xx, 0, sizeof(xx)); |
| res = read(sv[(!i) & 1], xx, sizeof(xx)); |
| zassert_not_equal(res, -1, "read(2) failed: %d", errno); |
| zassert_equal(res, 2, "expected to read 2 bytes but read %d", |
| res); |
| |
| res = read(sv[(!i) & 1], xx, sizeof(xx)); |
| zassert_equal(res, 0, |
| "expected read(2) to succeed but read 0 bytes"); |
| |
| res = close(sv[(!i) & 1]); |
| zassert_equal(res, 0, "close(sv[%u]) failed: %d", i, errno); |
| } |
| } |